An exploitable memory corruption vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT MultiMX message sent via the server can result in an out-of-bounds write leading to memory disclosure and code execution. External references: http://www.talosintel.com/reports/TALOS-2016-0142/ http://www.pidgin.im/news/security/?id=107 Upstream fixes: https://bitbucket.org/pidgin/main/commits/f6c08d962618